How did the united states react to the holocaust? why did the united states not do more to save the jews from the nazi extermination campaign?

Because they could not do much and America was just a city that they do not know much but the Jew's only believed that this was the country to trust

Boundries were established at the Berlin Conference of 1884-5 in the form of 50 different geographical regions. Many of the borders established in this conference are still in existence today creating conflict amongst the peoples of decendants trying to stake claims to once belonged to their ethnic groups creating sometimes deadly conflicts in recent years. The main fighting is because of the vast amount of natural resources. 

The 14 European powers that held this conference had no considerations of the peoples of Africa. These new lines created havoc when these new lines split ethnic groups and communities